Putri, Lucy Astagina, Kamid Kamid, and Khairul Anwar. “Mathematical Process Skills of Middle School Students under Direct Instruction and Ethnomathematics”. Journal of Mathematics Instruction, Social Research and Opinion 5, no. 1 (February 22, 2026): 445–454. Accessed August 4, 2026. https://journal-gehu.com/index.php/misro/article/view/1031.